package com.cuijiao.graduation.homestay.service;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.cuijiao.graduation.homestay.dao.UserMapper;

@Service
public class TestService {
    @Autowired
    UserMapper userMapper;

    public void tt() {
        userMapper.selectByPrimaryKey(Integer.valueOf(27));
    }
}
